2 Organisms belong to the same species if they can produce fertile offspring
Courtship Behaviour is the sequence of actionsunique to a species, mostly done by males and observed by females, doing actions or releasing pheromones, enabling recognition of species to mate
The more similar the Courtship Behaviour, the more close the species are
Phylogenetic Classification arranges species into groups based on evolutionary origins and relationships
Hierarchy of Classification (Each group is a Taxa):
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Bionomial System uses first name as genus and second name as species